O total benefit and O marginal benefit eds marginal cost by the greatest amou O marginal benefit is greater than marginal cost for that unit the indu. al is being paid 2. Sam Storti looked at two Justin Bieber T-shirts but could not decide which one looked better on him, so he bought both. A few days later he saw a rare, Hannah Montana DVD collection in a store and bought it. He had not yet paid an overdue balance on his Hooter's Preferred Customer card and the bank informed him that his checking account was overdrawn. Sam apparently fails to understand which of the following economic principl A person can earn and spend freely in a free enterprise economy. The opportunity cost of Justin Bieber T-shirts is a Hannah Montana DVD A person with unlimited wants but limited resources must make choice Production Possibilities Curve and increasing costs